5566002120 has 288 divisors, whose sum is σ = 22151750400. Its totient is φ = 1205197056.

The previous prime is 5566002083. The next prime is 5566002193. The reversal of 5566002120 is 212006655.

5566002120 is a `hidden beast` number, since 5 + 56 + 600 + 2 + 1 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 326857 + ... + 343463.

It is an arithmetic number, because the mean of its divisors is an integer number (76915800).

Almost surely, 2^5566002120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5566002120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11075875200).

5566002120 is an abundant number, since it is smaller than the sum of its proper divisors (16585748280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5566002120 is a wasteful number, since it uses less digits than its factorization.

5566002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16657 (or 16643 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5566002120 is about 74605.6440224196. The cubic root of 5566002120 is about 1772.2070333408.

Adding to 5566002120 its reverse (212006655), we get a palindrome (5778008775).

The spelling of 5566002120 in words is "five billion, five hundred sixty-six million, two thousand, one hundred twenty".